<div class="container-fluid">
  <div class="row-fluid">
    <div class="span12">
    <form role="form" id="form" action="{:U("WxContent/keyword_add")}">
    <!-- 内容说明 -->
   <div class="form-group">
      <label for="name">关键字</label>
      <input type="text" class="form-control" id="name" 
         placeholder="关键字" name="keyword" />
   </div>
    <div class="form-group" id="content">
      <label for="name">回复内容</label>
      <input type="text" class="form-control" id="content" 
         placeholder="回复内容" name="content" />
   </div>
     <div class="form-group">
   <button type="submit" class="btn btn-default">提交</button>
    </div>
</form>